US3455745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating of objects with tetraboron silicide
Assignee: Dow Silicones Corp
•
Filing: 1966-07-08
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Granted: 1969-07-15
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Expires: 1986-07-08
Abstract
No abstract record available.
Inventors
- 👤 Edward L Kern
- 👤 George A Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:51
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C01; C01B; C01B33/00; C01B33/06; C04B41/45; C04B41/50; C04B41/5053; C04B41/5062; C04B41/5071; C04B41/80; C04B41/81; C04B41/85; C04B41/87
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |